Floating Flower Tip - Most flowers float pretty well on their own until they start to pool with water and slowly sink. For a longer lasting centerpiece, use bubble wrap to make little skirts for your flowers.
Something about these flower arrangements with pearls just make it so elegant and classy!
Pink roses, fish bowl, pearls on gold charger or pink flowers in gold painted fish bowl
DIY Flower Ball Bouquet you can get all of the supplies from the dollar store.